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U.S. CLEAN NUCLEAR POWER

U.S. DOE - MARCH 23, 2021 - Nuclear energy has been quietly powering America with clean, carbon-free electricity for the last 60 years.

It may not be the first thing you think of when you heat or cool your home, but maybe that’s the point.

It’s been so reliable that we sometimes take it for granted.

Did you know about a fifth of the country’s electricity comes from nuclear power each year?

If not, then it’s about time you get to know nuclear.

Here are five fast facts to get you up to speed:

1. NUCLEAR POWER PLANTS PRODUCED 790 BILLION KILOWATT HOURS OF ELECTRICITY IN 2019

The United States is the world’s largest producer of nuclear power. It generated 790 billion kilowatt hours of electricity in 2020, surpassing coal in annual electricity generation for the first time ever. Commercial nuclear power plants have supplied around 20% of the nation’s electricity each year since 1990.

2. NUCLEAR POWER PROVIDES 52% OF AMERICA’S CLEAN ENERGY

Nuclear energy provided 52% of America’s carbon-free electricity in 2020, making it the largest domestic source of clean energy.

Nuclear power plants do not emit greenhouse gases while generating electricity.

They produce power by boiling water to create steam that spins a turbine. The water is heated by a process called fission, which makes heat by splitting apart uranium atoms inside a nuclear reactor core. 

3. NUCLEAR ENERGY IS THE MOST RELIABLE ENERGY SOURCE IN AMERICA

Nuclear power plants operated at full capacity more than 92% of the time in 2020—making it the most reliable energy source in America. That’s about 1.5 to 2 times more reliable as natural gas (57%) and coal (40%) plants, and roughly 2.5 to 3.5 times more reliable than wind (35%) and solar (25%) plants.

Nuclear power plants are designed to run 24 hours a day, 7 days a week because they require less maintenance and can operate for longer stretches before refueling (typically every 1.5 or 2 years).

4. NUCLEAR HELPS POWER 28 U.S. STATES

There are currently 94 commercial reactors helping to power homes and businesses in 28 U.S. states. Illinois has 11 reactors—the most of any state—and joins South Carolina and New Hampshire in receiving more than 50% of its power from nuclear. 

5. NUCLEAR FUEL IS EXTREMELY DENSE   

Because of this, the amount of used nuclear fuel is not as big as you think.

All of the used nuclear fuel produced by the U.S. nuclear energy industry over the last 60 years could fit on a football field at a depth of less than 10 yards.

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